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What factors will effect precipitated silica?
1. PH value
The acidity and alkalinity of silica have a great influence on the vulcanization of rubber. Acidic silica delays the vulcanization of rubber, while
alkaline silica promotes vulcanization. However, too high alkalinity is not good for reinforcement. Silica with a slightly acidic pH is beneficial to
the tensile and wear resistance of rubber and products. Therefore, the pH value of precipitated silica for silicone rubber is generally 6-8, which
is close to neutral.
2. Surface modification
The surface modification of silica refers to adding a coupling agent to silica to achieve its hydrophobicity. After adding the coupling agent, the
CH3O-(methoxy) at one end of the coupling agent easily reacts with the silanol group on the surface layer of silica, and the other end reacts with
the rubber molecule, that is, the coupling agent "bridges" between silica and silicone rubber. There are many ways to modify the surface of silica.
The most common one is to use a silane coupling agent (such as Si-69) for treatment.
Using silica matting agent into economic coating
Introducing our latest breakthrough in the realm of paint additives - the good suspension silica matting agent for economical paint. Designed to
elevate the performance and quality of economical paint, this cutting-edge silica matting agent boasts superior suspension properties, ensuring
a smooth and even dispersion of pigments in the paint formulation.
With its exceptional suspension capability, our Good Suspension Silica Matting Agent guarantees a homogeneous mixture, preventing the
occurrence of sedimentation or clumping. This not only saves valuable time for paint manufacturers during the production process but also enhances
the overall consistency and stability of the paint, resulting in a more uniform finish on application.
Furthermore, this revolutionary matting agent significantly improves the leveling and flow characteristics of the paint, allowing for effortless application
and smooth brush strokes. The uniform dispersion of pigments ensures even color distribution, eliminating any potential streaks or uneven patches on
the painted surface. This results in a professional-grade finish that is sure to impress even the most discerning customers.
In addition to its exceptional suspension and leveling properties, the Good Suspension Silica Matting Agent also offers excellent matting efficiency. This
means that it effectively reduces the glossiness of paint, providing a matt finish that is both aesthetically pleasing and on-trend. Whether used for interior
or exterior applications, this matting agent adds a touch of elegance and sophistication to any painted surface.
Moreover, our Good Suspension Silica Matting Agent is formulated with a keen focus on environmental sustainability. It is free from harmful or toxic
substances, making it a safe choice for both the environment and the end-users. By choosing our matting agent, you can rest assured that you are contributing
to a cleaner and greener future.
In conclusion, our Good Suspension Silica Matting Agent For Economical Paint is a game-changer in the paint industry. With its superior suspension properties,
it ensures a smooth and even dispersion of pigments, resulting in a consistent and professional finish. Its excellent leveling, flow, and matting efficiency make
it a must-have for any paint manufacturer or professional painter.
Choose our matting agent and experience the transformative power it brings to your economical paint formulations.
The following specification parameters will be stated on our Certificate of Analysis.
| Item Type | H-305 |
| Content of sio2(dry basis) % | ≥98.5 |
| Porosity ml/g | 1.2-1.4 |
| Oil Absorption g/100g | 270-320 |
| Particle Size(Malvent,D50),um | 5.5-6.0 |
| Loss on drying(105℃,2Hrs) | ≤5.0 |
| Ignition loss(1000℃,2Hrs) | ≤6.0 |
| Whiteness | ≥90.0 |
| PH(5% Liquor) | 6-7 |
| Surface treatment | None |
Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent
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Main Product:
Paint Matting Agent,
Silica Matting Agent ,
Inkjet Receptive Coating,
Nano Alumina,
Teflon Heater ,
Anticorrosion Pigments
